Balanced Valve Pre-Amp to Sell - diyAudio
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Old 3rd July 2009, 09:23 AM   #1
diyAudio Member
Join Date: Aug 2005
Exclamation Balanced Valve Pre-Amp to Sell

Dear Diy Friends,

I have for selling 6 months hold fully balanced valve pre-amplifier that I built myself under my own brand MAR, based on some much known designs on the web. I believe the photos speak for themselves.

The interior is based on 2 pairs of valves, 2 = 12AU7 and 2 = 6DJ8, and has the following “goodies” on its interior:

o 15uF MIT Caps for Power supply filtering (6x).
o WIMA caps for by-passing above.
o MIT Caps by-passing Vishay caps on the main board (8x).
o Dynamicap signal caps.
o Panasonic electrolytic for main power supply filtering.
o Shinkoh tantalum signal resistors.
o MILLS power resistors.
o Visahy resistors for balanced volume control with Hi-quality gold Relays.
o Vandenhull signal and power cabling.
o All operations can be made from a single Remote control (Controlled from a central micro-processor).
o 2 balanced + 3 single inputs.
o Tape loop.
o 1 balanced + 1 single outputs.
o 3 separated toroidal transformers (High B voltage, Filaments, and Digital)
o High quality aluminum chassis (10mm front and side panels)
o Real Audio Research knobs.
o Total parts value s more than 2.000€

This is a very quite and wonderful sounding design, with an incredible clear and deep sound stage, I am selling because I just bought a C2200 pre-amplifier from Mcintosh and have two more preamps (one of them passive still to be finished).

I will ship overseas, but would prefer to keep it within the EU.

The selling price opportunity is 1.000€ plus shipping (please mail me with your directions so that I can give you a quotation).

My email is

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